Home / 86,760.91-119,729.22-48,520.02

Finding the Fourth Proportional to 86,760.91, 119,729.22 and 48,520.02

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Solution

The fourth proportional to 86,760.91, 119,729.22 and 48,520.02 is: 66,957.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,760.91 : 119,729.22 = 48,520.02 : x
  2. Step 2: Convert to fraction form
    86,760.91/119,729.22 = 48,520.02/x
  3. Step 3: Cross multiply
    86,760.91x = 119,729.22 × 48,520.02
  4. Step 4: Simplify right side
    86,760.91x = 5,809,264,148.98
  5. Step 5: Solve for x
    x = 5,809,264,148.98/86,760.91
  6. Step 6: Final answer
    x = 66,957.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.